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6 Steps Behind the Popular SVF Therapy

Stromal Vascular Fraction or commonly known as SVF techniques are methods used to isolate and extract a specific fraction of cells from adipose (fat) tissue. This fraction typically contains a mixture of cells, including mesenchymal stem cells (MSCs), pericytes, endothelial cells, fibroblasts, immune cells, and preadipocytes.

SVF techniques are often used in regenerative medicine and research for their potential to promote tissue repair and regeneration.

In this blog, we will highlight the popular SVF technique that has been practiced and loved by patients globally.

Steps of SVF Therapy

1. Liposuction as the Starting Point:

  • SVF procedures typically begin with liposuction, a minimally invasive surgical technique used to remove excess fat from specific areas of a patient's body. This harvested fat tissue contains a mixture of cells, including mesenchymal stem cells (MSCs), which are of primary interest for regenerative purposes.

  • Liposuction is chosen because it provides a readily accessible source of adipose (fat) tissue, which is rich in MSCs. The abdomen, thighs, or buttocks are common areas for liposuction.

2. Tissue Processing and Isolation of SVF:

  • After liposuction, the harvested fat tissue undergoes careful processing to isolate the SVF. The objective is to separate the desired cell fraction from the rest of the tissue components.

  • Various methods can be used for tissue processing, and these methods continue to evolve:

    • Enzymatic Digestion: Enzymes, often collagenase, are applied to break down the tissue matrix, releasing cells from their structural surroundings.

    • Mechanical Disruption: Mechanical methods, such as mincing, homogenization, or even gentle shaking, can be employed to physically disrupt the tissue, freeing the cells.

    • Closed System Devices: Innovative closed-system devices designed for the automated processing of adipose tissue have emerged in recent years, simplifying and standardizing the SVF isolation process.

3. Centrifugation for Separation:

  • Centrifugation is a crucial technique used to further separate the SVF from other tissue components based on their densities.

  • During centrifugation, the processed tissue is spun at high speeds in a centrifuge, causing components to separate. The SVF settles at the bottom of the tube due to its higher density compared to other components, such as fat cells.

4. Filtration for Purity:

  • To enhance the purity and concentration of the SVF, filtration may be employed after centrifugation. Filters with specific pore sizes can remove larger tissue fragments, cellular debris, and any remaining fat cells.

  • Filtration ensures that the isolated SVF is composed primarily of the desired cell types, such as MSCs.

5. Cell Counting and Analysis:

  • Once the SVF is isolated, it undergoes thorough analysis. This step involves counting the number of viable cells and characterizing the composition of the SVF.

  • Researchers assess which cell types are present, including the critical MSCs. Accurate cell counting ensures that the appropriate cell dose is administered for therapeutic purposes.

6. Application of SVF:

  • Depending on the intended medical use, the isolated SVF can be applied in various ways:

    • Direct Injection: In some cases, the concentrated SVF is directly injected into the target tissue or area in need of regeneration. This approach is commonly used in orthopedic procedures, wound healing, or other applications where localized tissue repair is required.

    • Culturing and Expansion: For specific applications, especially when a larger population of certain cell types like MSCs is needed, the SVF can be cultured and expanded in a laboratory setting. After expansion, the cells can be reintroduced into the patient.

    • Combination with Biomaterials: In some cases, SVF may be combined with biomaterials or scaffolds to create a more conducive environment for tissue regeneration.

Significance of SVF:

The significance of SVF lies in the presence of MSCs within this cell fraction. MSCs are multipotent stem cells capable of differentiating into various cell types, such as bone cells, cartilage cells, and adipocytes (fat cells). This differentiation capacity makes them valuable for regenerative medicine applications. MSCs also possess immunomodulatory properties, which can aid in reducing inflammation and promoting tissue healing.

Applications of SVF-Based Therapies

SVF-based therapies are explored for a wide range of medical purposes, including:

  • Orthopedic Conditions: SVF can be used to promote the healing of damaged bone and cartilage tissue, potentially offering a non-invasive alternative to surgery for certain musculoskeletal issues.

  • Wound Healing: The regenerative properties of SVF, including its MSC content, make it a candidate for accelerating wound closure and tissue regeneration in chronic wounds and ulcers.

  • Cosmetic and Aesthetic Procedures: SVF-based therapies are also explored for skin rejuvenation, scar reduction, and cosmetic enhancements.

Regulatory Considerations

  • The clinical use of SVF-based therapies should be conducted under regulatory oversight, and their safety and efficacy should be validated through well-designed clinical trials.

  • Ethical considerations and informed consent are integral when using SVF techniques for medical purposes, ensuring that patients are fully aware of the procedures and potential risks.


To summarize, SVF techniques offer a promising avenue for regenerative medicine and tissue repair. Their application holds great potential in addressing a wide range of medical conditions and improving patient outcomes, but it must adhere to rigorous scientific, ethical, and regulatory standards to ensure safety and efficacy.


Safety of Technique and Procedure of Stromal Vascular Fraction Therapy: From Liposuction to Cell Administration (2020)

Prospect of adipose tissue derived mesenchymal stem cells in regenerative medicine (2009)

Stem cell-based product in medicine: FDA regulatory consideration (2004)


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